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(11)

EP 3 452 913 A1

(12)

(43) Date of publication: 13.03.2019 Bulletin 2019/11 (21) Application number: 17820551.4 (22) Date of filing: 29.06.2017

(51) International Patent Classification (IPC):  G06F 13/40(2006.01) G06F 13/38(2006.01) G06F 13/42(2006.01) (86) International application number: PCT/KR2017/006905 (87) International publication number: WO 2018/004275 (04.01.2018 Gazette 2018/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 29.06.2016 KR 20160082041 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si, Gyeonggi-do 16677 (KR)	(72) Inventors: LEE, Woo-Kwang Suwon-si Gyeonggi-do 16697 (KR) SHIN, Dong-Rak Gwangju-si Gyeonggi-do 12736 (KR) LIM, Ho-Yeong Suwon-si Gyeonggi-do 16682 (KR) SON, Dong-Il Hwaseong-si Gyeonggi-do 18443 (KR) (74) Representative: HGF Limited  Saviour House 9 St. Saviourgate York YO1 8NQ York YO1 8NQ (GB)